Mesenteric ArteriesIleal DiseasesMesenteric Artery, SuperiorIntussusceptionMesenteric Artery, InferiorArteriesCecal DiseasesStrongyloideaColectomyIleumAnastomosis, SurgicalIleitisColonic DiseasesCrohn DiseaseMesenteric Vascular OcclusionSuperior Mesenteric Artery SyndromeCeliac ArteryLaparoscopyPulmonary ArteryRenal ArteryCerebral ArteriesVasodilationMuscle, Smooth, VascularCarotid ArteriesVasoconstrictionFemoral ArterySplanchnic CirculationColonBasilar ArteryTreatment OutcomeDuodenal NeoplasmsMesenteric VeinsBiological FactorsVasoconstrictor AgentsVasodilator AgentsRecurrenceIliac ArterySplenic ArteryEndothelium, VascularNorepinephrineRats, WistarVertebral ArteryCoronary Artery BypassDuodenostomyHepatic ArteryDuodenal DiseasesPhenylephrineDuodenal ObstructionMyographyRadial ArteryAcetylcholineMammary ArteriesMuscle RelaxationRats, Sprague-DawleyMuscle ContractionCarotid Artery, InternalTomography, X-Ray ComputedSubclavian ArteryDose-Response Relationship, DrugAngiographyRats, Inbred WKYIntestine, SmallCarotid Artery DiseasesCoronary VesselsNitric OxideBlood PressureTime FactorsBrachial ArterySuperior ColliculiVena Cava, SuperiorEndothelium-Dependent Relaxing FactorsCarotid Artery, CommonDogsJejunumAneurysmRats, Inbred SHRIntestinesRenal Artery ObstructionRegional Blood FlowOphthalmic ArteryPotassium ChlorideCharybdotoxin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidRabbitsNG-Nitroarginine Methyl EsterStentsArterial Occlusive DiseasesConstriction, PathologicMiddle Cerebral ArteryUmbilical ArteriesIndomethacinThoracic ArteriesBrunner GlandsIntestinal MucosaStomachUltrasonography, DopplerTemporal ArteriesNitric Oxide SynthaseEnzyme InhibitorsBronchial Arteries